Which of the following matches the word” laypeople”（）
A. people who are laying somewhere
B. nonprofessional
C. sb who answer questions in a survey
D. supporter
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The limit of words of a great title is_（）
A. 15 words or fewer
B. 12 words or fewer
C. 20 words or fewer
D. 25 words or fewer
which of the following matches the word “examplify”（）
A. use up material
B. illustrate
C. limit sth to a particular area
D. example
Which of the following may not be the purpose of doing a scientific research（）
A. increase the knowledge of humans
B. devise new applicaitons
C. explain nature or property of the world
D. show off one’s ability
Which of the following title is not appropriate（）
A survey of laypeople’s understanding of radioactivity and radiation
B. factors influencing college students’ decision to cheat in examinaitoin
C. The effects of global warming
D. The Environmental Impact of pollution on Urban Areas in North China
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